diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 897159dba47d..0cc6e08e12c1 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -540,8 +540,6 @@ static int domain_update_device_node(struct dmar_domain *domain)
 	return nid;
 }
 
-static void domain_update_iotlb(struct dmar_domain *domain);
-
 /* Return the super pagesize bitmap if supported. */
 static unsigned long domain_super_pgsize_bitmap(struct dmar_domain *domain)
 {
@@ -1362,7 +1360,7 @@ domain_lookup_dev_info(struct dmar_domain *domain,
 	return NULL;
 }
 
-static void domain_update_iotlb(struct dmar_domain *domain)
+void domain_update_iotlb(struct dmar_domain *domain)
 {
 	struct dev_pasid_info *dev_pasid;
 	struct device_domain_info *info;
diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h
index ce030c5b5772..70ac2b989127 100644
--- a/drivers/iommu/intel/iommu.h
+++ b/drivers/iommu/intel/iommu.h
@@ -888,6 +888,7 @@ int qi_submit_sync(struct intel_iommu *iommu, struct qi_desc *desc,
  */
 #define QI_OPT_WAIT_DRAIN		BIT(0)
 
+void domain_update_iotlb(struct dmar_domain *domain);
 int domain_attach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu);
 void domain_detach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu);
 void device_block_translation(struct device *dev);
diff --git a/drivers/iommu/intel/nested.c b/drivers/iommu/intel/nested.c
index b5a5563ab32c..694c1c4223f6 100644
--- a/drivers/iommu/intel/nested.c
+++ b/drivers/iommu/intel/nested.c
@@ -65,6 +65,8 @@ static int intel_nested_attach_dev(struct iommu_domain *domain,
 	list_add(&info->link, &dmar_domain->devices);
 	spin_unlock_irqrestore(&dmar_domain->lock, flags);
 
+	domain_update_iotlb(dmar_domain);
+
 	return 0;
 }